Income Taxes - Effective Income Tax Rate Reconciliation (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 28, 2025	Dec. 29, 2024	Dec. 31, 2023
Income Tax Disclosure [Abstract]
Income taxes at U.S. federal statutory rate	$ 28,739	$ 23,846	$ 13,367
State income taxes, net of federal tax effect	2,369	2,319	(432)
Non-deductible business expenses	(1,383)	940	747
Non-deductible employee compensation		1,587	1,681
Tax effects of Company-owned life insurance		(576)	(587)
Tax effects of undistributed earnings from foreign subsidiaries not deemed to be indefinitely reinvested		443	779
Foreign and U.S. tax effects attributable to foreign operations		4,532	1,537
Expiring tax attributes		4,125	3,780
Valuation allowance effect	(3,693)	(7,330)	(879)
Research and development tax credits		(703)	(820)
Foreign tax rate change related to UK pension		(2,493)	0
Unrecognized tax benefits		(135)	(79)
Other		53	43
Total income tax expense	20,753	26,608	19,137
Effective Income Tax Rate Reconciliation [Line Items]
Income taxes at U.S. federal statutory rate	$ 28,739	$ 23,846	$ 13,367
Federal statutory income tax rate (percentage)	21.00%	21.00%	21.00%
State income taxes, net of federal tax effect	$ 2,369	$ 2,319	$ (432)
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent	1.70%
Foreign and U.S. tax effects attributable to foreign operations		4,532	1,537
Valuation allowance effect	$ (3,693)	(7,330)	(879)
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Percent	(2.70%)
Other		53	43
Effective Income Tax Rate Reconciliation, Cross-Border, Other, Amount	$ (1,506)
Effective Income Tax Rate Reconciliation, Cross-Border, Other, Percent	(1.10%)
Effective Income Tax Rate Reconciliation, Tax Credit, Research, Amount	$ (887)
Effective Income Tax Rate Reconciliation, Tax Credit, Percent	(0.60%)
Non-deductible business expenses	$ (1,383)	940	747
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Other, Percent	(1.00%)
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Amount	$ 1,823
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Percent	1.30%
Tax effects of Company-owned life insurance		(576)	(587)
Effective Income Tax Rate Reconciliation, Unrecognized Tax Benefits, Amount	$ 33
Effective Income Tax Rate Reconciliation, Unrecognized tax benefits, Percent	0.00%
Income Tax Expense (Benefit)	$ 20,753	$ 26,608	$ 19,137
Effective income tax rate (percentage)	15.20%
Germany
Income Tax Disclosure [Abstract]
Foreign and U.S. tax effects attributable to foreign operations	$ (1,651)
Other	(1,207)
Effective Income Tax Rate Reconciliation [Line Items]
Foreign and U.S. tax effects attributable to foreign operations	$ (1,651)
Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Percent	(1.20%)
Effective Income Tax Rate Reconciliation, Cross-Border Tax Effect, Percent	4.40%
Effective Income Tax Rate Reconciliation, Cross-Border Tax Effect, Amount	$ 5,974
Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Amount	$ (6,331)
Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Percent	(4.60%)
Effective income tax rate reconciliation, Remeasurement of deferred tax liability	$ (4,048)
Effective income tax rate reconciliation, Remeasurement of deferred tax liability, Percent	(3.00%)
Other	$ (1,207)
Effective Income Tax Rate Reconciliation, Other Adjustments, Percent	(0.90%)
Foreign Tax Jurisdiction, Other
Income Tax Disclosure [Abstract]
Foreign and U.S. tax effects attributable to foreign operations	$ 2,521
Effective Income Tax Rate Reconciliation [Line Items]
Foreign and U.S. tax effects attributable to foreign operations	$ 2,521
Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Percent	1.90%